Anza Star Party
The new moon weekend for the monthly star party. The Anza site is open to members and their guests only. Join other members for viewing and imaging. Contact any board member if you have any questions.
10 events found.
Events
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On the Sky CA, United States
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Online Beginner’s Class
OnlineThis is a free and open to the public online event, to attend please register with zoom by clicking here at or after 6:40pm. The 4th session of the Beginners Astronomy Class covers the science behind the telescope. How do our eyes actually perceive objects we see in the telescope and what is the physics […]
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General Meeting – June 2026
Irvine Lecture Hall of the Chapman University 336 N Center St, Orange, CA, United StatesJoin Zoom Tonight's meeting will be online only. Chapman University just notified us that we can not use their facility for tonight's meeting. The Big Eye: Palomar Observatory's past and future Palomar Observatory is just two hours from Orange County. Home to the 200-inch Hale telescope—once the world's largest telescope—and an […]
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Anza Star Party
On the Sky CA, United StatesThe new moon weekend for the monthly star party. The Anza site is open to members and their guests only. Join other members for viewing and imaging. Contact any board member if you have any questions.
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OCA Astrophysics SIG Meeting
Orange Coast College, Building 40, Astronomy House Merrimac Way, Costa Mesa, CA, United StatesThere will be no ASIG meeting in June. Instead we recommend attending the Society for Astronomical Sciences Annual Symposium, June 25-27, Ontario, CA., and/or the American Astronomical Society Summer Meeting, Pasadena, CA, June 14-18. Click on either conference title to be directed to the conference webpage. These meetings provide the opportunity for rich interaction with […]
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OCA Astrophysics SIG Meeting
Orange Coast College, Building 40, Astronomy House Merrimac Way, Costa Mesa, CA, United States -
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Beginner’s Class In-person event(New Location)
Orange Coast College, Outside Planetarium 2701 Fairview, Costa Mesa, CA, United StatesThis is a free and open to the public event (In-person event only). The 5th session of the Beginners Astronomy Class is the "How to Use Your Telescope". If you have a telescope and would like some help learning to set it up and use it, attend this Hands-on class. For details, please visit here […]
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General Meeting – July 2026
OnlineJoin Zoom Free and open to the public. This meeting will be online only, please do NOT go inperson. Searching for Signs of Life on Jupiter’s Ocean-Bearing Moons Using NASA’s Europa Clipper mission as our guide, we’ll journey to Jupiter’s icy moons - worlds that may contain vast oceans beneath their frozen […]
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Heritage Montessori Lake Forest
Heritage Montessori Lake Forest 2900 Portola Parkway, Lake Forest, United StatesThis event does not require anyone to bring their telescope! Rather, the school is asking for speakers to talk to its students about the night sky and astronomy, during the daytime. The age of the audience is between 2 and 7 years, so don't say anything too technical.
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OCA Astrophysics SIG Meeting
Orange Coast College, Building 40, Astronomy House Merrimac Way, Costa Mesa, CA, United StatesThe monthly meeting of the Astrophysics Special Interest Group is at 7:00 PM every third Friday of the month at Orange Coast College, Building 40, Astronomy House. Please contact the ASIG chair for details at mark@ocastronomers.org .